SearchForm forTemplate() doesn't call getTemplate()

[stephenmcm]

Search form's current forTemplate() doesn't call $this->getTemplate() making overriding the template in place impossible.
Form's current forTemplate() does, allowing the user to add new templates at an instance level.

Example snippet:

    $form = new Form();
    $form->setTemplate('CustomForm');
    $form->forTemplate(); //returns CustomForm.ss

    $searchForm = new SearchForm();
    $searchForm->setTemplate('CustomSearchForm');
    $searchForm->forTemplate(); //returns SearchForm.ss

[PonchoPowers]

Confirmed in 3.2, it looks for SearchForm.ss or just Form.ss.